Dame Agatha Christie (1890–1976) was a British crime writer best known for her detective novels and short stories. According to Guinness World Records, she is the bestselling novelist of all time, her novels having sold over four billion copies and having been translated into more than one hundred languages. The Agatha Award for best mystery and crime writers was named in her honor.

Emilia Fox, an acclaimed and award-winning actress, most notably played the title role in the play Katherine Howard at the Chichester Festival Theatre, and Clara Copperfield in a television movie production of David Copperfield. In 2004 she began playing pathologist Nikki Alexander on the television series Silent Witness. In 2006 she garnered much praise for her role in the independent comedy-drama Cashback.